New studies are shedding light on one of the biggest mysteries of human reproduction and what can be done to combat it.

A large-scale analysis of 117 mammal species found that preventing reproduction is associated with longer lifespans, suggesting a strong link between reproductive activity and life expectancy. Why do ...

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

The white-handed gibbon comes closest to humans in the study, with a monogamy rate of 63.5%. It’s the only other top-ranked ...

Humans have spent centuries shaping the world. But nature wouldn’t hesitate to take over if we suddenly disappeared.

Four mice went to space as astronauts. One came back and became a mother. And that simple fact might matter more than you'd ...

Ever wonder what animals really think when they encounter us? The image we hold of ourselves wandering peacefully through ...

Spears and Geruso insist that depopulation is an issue relevant not just to particular countries or cultures but to all. That focus on humanity as a whole, however, ends up erasing borders, ...

Attorney Carol Lockwood joins producer/host Coralie Chun Matayoshi to discuss Assisted Reproductive Technology law, the role ...

Nature is astonishingly diverse. Across the planet’s oceans, forests, grasslands, and cities, living beings interact in ways that defy rigid expectations.

Researchers from Kunming Institute of Botany, Chinese Academy of Sciences synthesize current understanding of how climate ...

A same-sex couple say Ireland’s donor conception laws leave their one-year-old son missing legal protections. A woman’s ...